Plugin Error Problems found loading plugins: Plugin "JBoss Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "Jetty Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "Resin Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "Tomcat and TomEE Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "CloudBees integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "Geronimo Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "WebSphere Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "WebLogic Integration" was not loaded: required plugin "Java EE: EJB, JPA, Servlets" is disabled. Plugin "Java EE: Bean Validation Support" was not loaded: required plugin "Java EE: EJB, JPA, Servle... (show balloon)
解决方法：
找到idea配置文件，一般config文件在C盘，在系统用户里面。
删除disabled_plugins.txt文件重启即可。
原文：https://www.cnblogs.com/Web-Architecture/p/8960861.html